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/*
* Copyright (c) 2009 Cyrille Berger <cberger@cberger.net>
* Copyright (c) 2011 Yue Liu <yue.liu@mail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef FLOWLAYOUT_H
#define FLOWLAYOUT_H
#include <QObject>
class QRectF;
class KoShape;
class FlowLayout : public QObject {
Q_OBJECT
public:
explicit FlowLayout(const QString &_id);
virtual ~FlowLayout();
public:
const QString& id() const;
public:
void replaceLayout(Layout* layout);
void addShapes(QList<KoShape*> _shapes);
void addShape(KoShape* _shape);
void removeShape(KoShape* _shape);
virtual QRectF boundingBox() const;
protected:
const QList<KoShape*>& shapes() const;
protected:
/**
* This function is called when a list of shapes is added to the layout.
*
* The default implementation call shapeAdded for each shape
*/
virtual void shapesAdded(QList<KoShape*> _shape);
/**
* This function is called when a shape is added to the layout.
*/
virtual void shapeAdded(KoShape* _shape) = 0;
/**
* This function is called when a shape is removed to the layout.
*/
virtual void shapeRemoved(KoShape* _shape) = 0;
/**
* This function is called when a shape geometry is changed.
*/
virtual void shapeGeometryChanged(KoShape* _shape) = 0;
/**
* This function is called when the layout is expected to update the position of shapes
*/
virtual void relayout() = 0;
protected:
// Reimplemented from QObject
virtual bool event(QEvent * e);
signals:
void boundingBoxChanged( const QRectF& _rect );
private:
struct Private;
Private* const d;
};
#endif
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